ArticlePhysical chemistry chemical physics : PCCP2018
Deciphering hot- and multi-exciton dynamics in core-shell QDs by 2D electronic spectroscopies.
Article in Physical chemistry chemical physics : PCCP, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Time-Frequency Signatures of Electronic Coherence of Colloidal CdSe Quantum Dot Dimer Assemblies Probed at Room Temperature by Two-Dimensional Electronic Spectroscopy.Nanomaterials (Basel, Switzerland) · 2023Article
- Ultrafast Coherent Delocalization Revealed in Multilayer QDs under a Chiral Potential.The journal of physical chemistry letters · 2023Article
- 2D Electronic Spectroscopic Techniques for Quantum Technology Applications.The journal of physical chemistry. C, Nanomaterials and interfaces · 2021Review
- Photocurrent-Detected 2D Electronic Spectroscopy Reveals Ultrafast Hole Transfer in Operating PM6/Y6 Organic Solar Cells.The journal of physical chemistry letters · 2021Article
- Visualizing Ultrafast Electron Transfer Processes in Semiconductor-Metal Hybrid Nanoparticles: Toward Excitonic-Plasmonic Light Harvesting.Nano letters · 2021Article
- Ultrafast long-range spin-funneling in solution-processed Ruddlesden-Popper halide perovskites.Nature communications · 2019Article
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Authors and funding
8 authors.
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Abstract
Although the harnessing of multiple and hot excitons is a prerequisite for many of the groundbreaking applications of semiconductor quantum dots (QDs), the characterization of their dynamics through conventional spectroscopic techniques is cumbersome. Here, we show how a careful analysis of 2DES maps acquired in different configurations (BOXCARS and pump-probe geometry) allows the tracking and visualization of intraband Auger relaxation mechanisms, driving the hot carrier cooling, and interband bi- and tri-exciton recombination dynamics. The results obtained on archetypal core-shell CdSe/ZnS QDs suggest that, given the global analysis of the resulting datasets, 2D electronic spectroscopy techniques can successfully and efficiently dispel the intertwined dynamics of fast and ultrafast recombination processes in nanomaterials. Hence, we propose this analysis scheme to be used in future research on novel quantum confined systems.
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